Improvement of query on games controller
Improvement of query on rounds controller
Changed icons to fontawesome
Improvement of query on groups controller
FIXED: Use timezone on datetime
Added worker to classify a group
Added order to show members by points
Added route to classify group
Remove unused route to classify game
Added numbers to ranking (:
Added button to call recalc ranking to group admins
Added option to recalc ranking of group (only for group admins)